Finding the Fourth Proportional to 424,531.05, 585,857.71 and 243,239.34
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Solution
The fourth proportional to 424,531.05, 585,857.71 and 243,239.34 is: 335,673.07
Step by Step Solution
- Step 1: Write the proportion equation
424,531.05 : 585,857.71 = 243,239.34 : x - Step 2: Convert to fraction form
424,531.05/585,857.71 = 243,239.34/x - Step 3: Cross multiply
424,531.05x = 585,857.71 × 243,239.34 - Step 4: Simplify right side
424,531.05x = 142,503,642,714.31 - Step 5: Solve for x
x = 142,503,642,714.31/424,531.05 - Step 6: Final answer
x = 335,673.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.